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Alex Rivera
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I can detect when the content of an iframe has loaded using the load event. Unfortunately, for my purposes, there are two problems with this: If there is an error loading the page (404/500, etc), the load event is never fired. If some images or other dependencies failed to load, the load event is fired as usual. Is there some way I can reliably determine if either of the above errors occurred? I'm writing a semi-web semi-desktop application based on Mozilla/XULRunner, so solutions that only work in Mozilla are welcome.
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